Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.
TeachEngineering
Teach Engineering: Gears: Lift It Up!
In this activity, students learn about the trade-off between speed and torque when designing gear ratios. The activity setup includes a LEGO pulley system with two independent gear sets and motors that spin two pulleys. Each pulley has...
PBS
Pbs Teachers: Secrets of Lost Empires I Colosseum
Discover how to use pulleys to change the direction of force, compare different pulley designs and discuss the advantages and disadvantages of a pulley.